# Use a relatively old/stable distro here to maximize the supported platforms
# and avoid depending on more recent version of, say, libc.
# Here we choose Bionic 18.04.

FROM ubuntu:18.04

RUN apt-get update \
  && apt-get install -y --no-install-recommends \
  ccache \
  curl \
  ca-certificates \
  build-essential \
  clang \
  python3 \
  git \
  unzip \
  xz-utils

RUN curl -sSLO https://github.com/Kitware/CMake/releases/download/v3.29.5/cmake-3.29.5-linux-x86_64.tar.gz \
  && tar xf cmake-3.29.5-linux-x86_64.tar.gz \
  && rm cmake-3.29.5-linux-x86_64.tar.gz \
  && mkdir -p /opt \
  && mv cmake-3.29.5-linux-x86_64 /opt/cmake

ENV PATH /opt/cmake/bin:$PATH

RUN curl -sSLO https://github.com/ninja-build/ninja/releases/download/v1.12.1/ninja-linux.zip \
  && unzip ninja-linux.zip \
  && rm *.zip \
  && mv ninja /opt/cmake/bin

ENV XDG_CACHE_HOME /tmp/cache